Connmark retriever action in tc(8)  Linux Connmark retriever action in tc(8)

NAME         top

       connmark - netfilter connmark retriever action

SYNOPSIS         top

       tc ... action connmark [ zone u16_zone_index ] [ CONTROL ] [ index
               u32_index ]

       CONTROL := { reclassify | pipe | drop | continue | ok }

DESCRIPTION         top

       The connmark action is used to restore the connection's mark value
       into the packet's fwmark.

OPTIONS         top

       zone u16_zone_index
              Specify the conntrack zone when doing conntrack lookups for
              packets.  u16_zone_index is a 16bit unsigned decimal value.

              How to continue after executing this action.

                     Restarts classification by jumping back to the first
                     filter attached to this action's parent.

              pipe   Continue with the next action, this is the default.

              shot   Packet will be dropped without running further actions.

                     Continue classification with next filter in line.

              pass   Return to calling qdisc for packet processing. This
                     ends the classification process.

       index u32_index
              Specify an index for this action in order to being able to
              identify it in later commands.  u32_index is a 32bit unsigned
              decimal value.

SEE ALSO         top


COLOPHON         top

       This page is part of the iproute2 (utilities for controlling TCP/IP
       networking and traffic) project.  Information about the project can
       be found at 
       If you have a bug report for this manual page, send it to,  This page was obtained
       from the project's upstream Git repository
       on 2018-02-02.  (At that time, the date of the most recent commit
       that was found in the repository was 2018-01-29.)  If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page, or
       you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a mail

iproute2                         11 Jan 201C6onnmark retriever action in tc(8)

Pages that refer to this page: tc-actions(8)